If R1 is the resistance of a conductor at T1 and R0 at T0 and the coefficient of resistance at T0 is α0, the relation between these quantities is:
1
R1 = R0 + α0 (T1 + T0)R0
2
R0 = R1 + α0 (T1 - T0)R1
3
R1 = R0 + α0 (T1 - T0)
4
R1 = 1 + α0 (T1 - T0)
5
R1 = R0 + α0 (T1 - T0)R0